PROCEEDINGS
Evolution of Stars: The photospheric abundance connection, Symposium 145, Abstracts of presented papers, International Astronomical Union, 27-31 August 1990, Drujba, Bulgaria (fund B. Kowatschew)
Buletin d'information su les etoiles Be Be star Newsletter, Nr 10, September 1984 (fund B. Kowatschew)
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